When Dr. Mike and Sully travel to Boston for Colleen's graduation from medical school, they find Dr. Mike's mother terminally ill. Sully finds himself a target for assassination by a corrupt politician.
Jane Seymour
Dr. Michaela 'Dr. Mike' Quinn
Joe Lando
Byron Sully
Shawn Toovey
Brian Cooper
Jessica Bowman
Colleen Cooper Cook
Georgann Johnson
Elizabeth Ann Weston Quinn
Elinor Donahue
Rebecca Quinn Dickinson
Jude Beny
Martha
Una Kay
Mrs. Cook
